content: /*
   * 支付宝开放平台API
   * 支付宝开放平台v3协议文档
   *
   * The version of the OpenAPI document: 2025-08-26
   * 
   *
   * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
   * https://openapi-generator.tech
   * Do not edit the class manually.
   */
  
  
  package com.alipay.v3.model;
  
  import java.util.Objects;
  import java.util.Arrays;
  import com.alipay.v3.model.MutipleCurrencyDetail;
  import com.alipay.v3.model.Participant;
  import com.alipay.v3.model.SignData;
  import com.google.gson.TypeAdapter;
  import com.google.gson.annotations.JsonAdapter;
  import com.google.gson.annotations.SerializedName;
  import com.google.gson.stream.JsonReader;
  import com.google.gson.stream.JsonWriter;
  import io.swagger.annotations.ApiModel;
  import io.swagger.annotations.ApiModelProperty;
  import java.io.IOException;
  
  import com.google.gson.Gson;
  import com.google.gson.GsonBuilder;
  import com.google.gson.JsonArray;
  import com.google.gson.JsonDeserializationContext;
  import com.google.gson.JsonDeserializer;
  import com.google.gson.JsonElement;
  import com.google.gson.JsonObject;
  import com.google.gson.JsonParseException;
  import com.google.gson.TypeAdapterFactory;
  import com.google.gson.reflect.TypeToken;
  
  import java.lang.reflect.Type;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.Set;
  
  import com.alipay.v3.JSON;
  
  /**
   * AlipayFundTransUniTransferModel
   */
  @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
  public class AlipayFundTransUniTransferModel {
    public static final String SERIALIZED_NAME_BIZ_SCENE = "biz_scene";
    @SerializedName(SERIALIZED_NAME_BIZ_SCENE)
    private String bizScene;
  
    public static final String SERIALIZED_NAME_BUSINESS_PARAMS = "business_params";
    @SerializedName(SERIALIZED_NAME_BUSINESS_PARAMS)
    private String businessParams;
  
    public static final String SERIALIZED_NAME_MUTIPLE_CURRENCY_DETAIL = "mutiple_currency_detail";
    @SerializedName(SERIALIZED_NAME_MUTIPLE_CURRENCY_DETAIL)
    private MutipleCurrencyDetail mutipleCurrencyDetail;
  
    public static final String SERIALIZED_NAME_ORDER_TITLE = "order_title";
    @SerializedName(SERIALIZED_NAME_ORDER_TITLE)
    private String orderTitle;
  
    public static final String SERIALIZED_NAME_ORIGINAL_ORDER_ID = "original_order_id";
    @SerializedName(SERIALIZED_NAME_ORIGINAL_ORDER_ID)
    private String originalOrderId;
  
    public static final String SERIALIZED_NAME_OUT_BIZ_NO = "out_biz_no";
    @SerializedName(SERIALIZED_NAME_OUT_BIZ_NO)
    private String outBizNo;
  
    public static final String SERIALIZED_NAME_PASSBACK_PARAMS = "passback_params";
    @SerializedName(SERIALIZED_NAME_PASSBACK_PARAMS)
    private String passbackParams;
  
    public static final String SERIALIZED_NAME_PAYEE_INFO = "payee_info";
    @SerializedName(SERIALIZED_NAME_PAYEE_INFO)
    private Participant payeeInfo;
  
    public static final String SERIALIZED_NAME_PAYER_INFO = "payer_info";
    @SerializedName(SERIALIZED_NAME_PAYER_INFO)
    private Participant payerInfo;
  
    public static final String SERIALIZED_NAME_PRODUCT_CODE = "product_code";
    @SerializedName(SERIALIZED_NAME_PRODUCT_CODE)
    private String productCode;
  
    public static final String SERIALIZED_NAME_REMARK = "remark";
    @SerializedName(SERIALIZED_NAME_REMARK)
    private String remark;
  
    public static final String SERIALIZED_NAME_SIGN_DATA = "sign_data";
    @SerializedName(SERIALIZED_NAME_SIGN_DATA)
    private SignData signData;
  
    public static final String SERIALIZED_NAME_TRANS_AMOUNT = "trans_amount";
    @SerializedName(SERIALIZED_NAME_TRANS_AMOUNT)
    private String transAmount;
  
    public AlipayFundTransUniTransferModel() { 
    }
  
    public AlipayFundTransUniTransferModel bizScene(String bizScene) {
      
      this.bizScene = bizScene;
      return this;
    }
  
     /**
     * 描述特定的业务场景，可传的参数如下： DIRECT_TRANSFER：单笔无密转账到支付宝，B2C现金红包; PERSONAL_COLLECTION：C2C现金红包-领红包
     * @return bizScene
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "DIRECT_TRANSFER", value = "描述特定的业务场景，可传的参数如下： DIRECT_TRANSFER：单笔无密转账到支付宝，B2C现金红包; PERSONAL_COLLECTION：C2C现金红包-领红包")
  
    public String getBizScene() {
      return bizScene;
    }
  
  
    public void setBizScene(String bizScene) {
      this.bizScene = bizScene;
    }
  
  
    public AlipayFundTransUniTransferModel businessParams(String businessParams) {
      
      this.businessParams = businessParams;
      return this;
    }
  
     /**
     * 转账业务请求的扩展参数，支持传入的扩展参数如下： sub_biz_scene 子业务场景，红包业务必传，C2C现金红包、B2C现金红包均需传入，取值REDPACKET
     * @return businessParams
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "{\"sub_biz_scene\":\"REDPACKET\"}", value = "转账业务请求的扩展参数，支持传入的扩展参数如下： sub_biz_scene 子业务场景，红包业务必传，C2C现金红包、B2C现金红包均需传入，取值REDPACKET")
  
    public String getBusinessParams() {
      return businessParams;
    }
  
  
    public void setBusinessParams(String businessParams) {
      this.businessParams = businessParams;
    }
  
  
    public AlipayFundTransUniTransferModel mutipleCurrencyDetail(MutipleCurrencyDetail mutipleCurrencyDetail) {
      
      this.mutipleCurrencyDetail = mutipleCurrencyDetail;
      return this;
    }
  
     /**
     * Get mutipleCurrencyDetail
     * @return mutipleCurrencyDetail
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "")
  
    public MutipleCurrencyDetail getMutipleCurrencyDetail() {
      return mutipleCurrencyDetail;
    }
  
  
    public void setMutipleCurrencyDetail(MutipleCurrencyDetail mutipleCurrencyDetail) {
      this.mutipleCurrencyDetail = mutipleCurrencyDetail;
    }
  
  
    public AlipayFundTransUniTransferModel orderTitle(String orderTitle) {
      
      this.orderTitle = orderTitle;
      return this;
    }
  
     /**
     * 转账业务的标题，用于在支付宝用户的账单里显示
     * @return orderTitle
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "转账标题", value = "转账业务的标题，用于在支付宝用户的账单里显示")
  
    public String getOrderTitle() {
      return orderTitle;
    }
  
  
    public void setOrderTitle(String orderTitle) {
      this.orderTitle = orderTitle;
    }
  
  
    public AlipayFundTransUniTransferModel originalOrderId(String originalOrderId) {
      
      this.originalOrderId = originalOrderId;
      return this;
    }
  
     /**
     * 原支付宝业务单号。
     * @return originalOrderId
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "20190620110075000006640000063056", value = "原支付宝业务单号。")
  
    public String getOriginalOrderId() {
      return originalOrderId;
    }
  
  
    public void setOriginalOrderId(String originalOrderId) {
      this.originalOrderId = originalOrderId;
    }
  
  
    public AlipayFundTransUniTransferModel outBizNo(String outBizNo) {
      
      this.outBizNo = outBizNo;
      return this;
    }
  
     /**
     * 商家侧唯一订单号，由商家自定义。对于不同转账请求，商家需保证该订单号在自身系统唯一。
     * @return outBizNo
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "201806300001", value = "商家侧唯一订单号，由商家自定义。对于不同转账请求，商家需保证该订单号在自身系统唯一。")
  
    public String getOutBizNo() {
      return outBizNo;
    }
  
  
    public void setOutBizNo(String outBizNo) {
      this.outBizNo = outBizNo;
    }
  
  
    public AlipayFundTransUniTransferModel passbackParams(String passbackParams) {
      
      this.passbackParams = passbackParams;
      return this;
    }
  
     /**
     * 公用回传参数，如果请求时传递了该参数，则异步通知商户时会回传该参数。
     * @return passbackParams
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "{\"merchantBizType\":\"peerPay\"}", value = "公用回传参数，如果请求时传递了该参数，则异步通知商户时会回传该参数。")
  
    public String getPassbackParams() {
      return passbackParams;
    }
  
  
    public void setPassbackParams(String passbackParams) {
      this.passbackParams = passbackParams;
    }
  
  
    public AlipayFundTransUniTransferModel payeeInfo(Participant payeeInfo) {
      
      this.payeeInfo = payeeInfo;
      return this;
    }
  
     /**
     * Get payeeInfo
     * @return payeeInfo
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "")
  
    public Participant getPayeeInfo() {
      return payeeInfo;
    }
  
  
    public void setPayeeInfo(Participant payeeInfo) {
      this.payeeInfo = payeeInfo;
    }
  
  
    public AlipayFundTransUniTransferModel payerInfo(Participant payerInfo) {
      
      this.payerInfo = payerInfo;
      return this;
    }
  
     /**
     * Get payerInfo
     * @return payerInfo
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "")
  
    public Participant getPayerInfo() {
      return payerInfo;
    }
  
  
    public void setPayerInfo(Participant payerInfo) {
      this.payerInfo = payerInfo;
    }
  
  
    public AlipayFundTransUniTransferModel productCode(String productCode) {
      
      this.productCode = productCode;
      return this;
    }
  
     /**
     * 业务产品码， 单笔无密转账到支付宝账户固定为: TRANS_ACCOUNT_NO_PWD； 收发现金红包固定为: STD_RED_PACKET；
     * @return productCode
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "TRANS_ACCOUNT_NO_PWD", value = "业务产品码， 单笔无密转账到支付宝账户固定为: TRANS_ACCOUNT_NO_PWD； 收发现金红包固定为: STD_RED_PACKET；")
  
    public String getProductCode() {
      return productCode;
    }
  
  
    public void setProductCode(String productCode) {
      this.productCode = productCode;
    }
  
  
    public AlipayFundTransUniTransferModel remark(String remark) {
      
      this.remark = remark;
      return this;
    }
  
     /**
     * 业务备注
     * @return remark
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "单笔转账", value = "业务备注")
  
    public String getRemark() {
      return remark;
    }
  
  
    public void setRemark(String remark) {
      this.remark = remark;
    }
  
  
    public AlipayFundTransUniTransferModel signData(SignData signData) {
      
      this.signData = signData;
      return this;
    }
  
     /**
     * Get signData
     * @return signData
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(value = "")
  
    public SignData getSignData() {
      return signData;
    }
  
  
    public void setSignData(SignData signData) {
      this.signData = signData;
    }
  
  
    public AlipayFundTransUniTransferModel transAmount(String transAmount) {
      
      this.transAmount = transAmount;
      return this;
    }
  
     /**
     * 订单总金额，单位为元，精确到小数点后两位，STD_RED_PACKET产品取值范围[0.01,100000000]； TRANS_ACCOUNT_NO_PWD产品取值范围[0.1,100000000]
     * @return transAmount
    **/
    @javax.annotation.Nullable
    @ApiModelProperty(example = "23.00", value = "订单总金额，单位为元，精确到小数点后两位，STD_RED_PACKET产品取值范围[0.01,100000000]； TRANS_ACCOUNT_NO_PWD产品取值范围[0.1,100000000]")
  
    public String getTransAmount() {
      return transAmount;
    }
  
  
    public void setTransAmount(String transAmount) {
      this.transAmount = transAmount;
    }
  
    /**
     * A container for additional, undeclared properties.
     * This is a holder for any undeclared properties as specified with
     * the 'additionalProperties' keyword in the OAS document.
     */
    private Map<String, Object> additionalProperties;
  
    /**
     * Set the additional (undeclared) property with the specified name and value.
     * If the property does not already exist, create it otherwise replace it.
     *
     * @param key name of the property
     * @param value value of the property
     * @return the AlipayFundTransUniTransferModel instance itself
     */
    public AlipayFundTransUniTransferModel putAdditionalProperty(String key, Object value) {
      if (this.additionalProperties == null) {
          this.additionalProperties = new HashMap<String, Object>();
      }
      this.additionalProperties.put(key, value);
      return this;
    }
  
    /**
     * Return the additional (undeclared) property.
     *
     * @return a map of objects
     */
    public Map<String, Object> getAdditionalProperties() {
      return additionalProperties;
    }
  
    /**
     * Return the additional (undeclared) property with the specified name.
     *
     * @param key name of the property
     * @return an object
     */
    public Object getAdditionalProperty(String key) {
      if (this.additionalProperties == null) {
          return null;
      }
      return this.additionalProperties.get(key);
    }
  
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      AlipayFundTransUniTransferModel alipayFundTransUniTransferModel = (AlipayFundTransUniTransferModel) o;
      return Objects.equals(this.bizScene, alipayFundTransUniTransferModel.bizScene) &&
          Objects.equals(this.businessParams, alipayFundTransUniTransferModel.businessParams) &&
          Objects.equals(this.mutipleCurrencyDetail, alipayFundTransUniTransferModel.mutipleCurrencyDetail) &&
          Objects.equals(this.orderTitle, alipayFundTransUniTransferModel.orderTitle) &&
          Objects.equals(this.originalOrderId, alipayFundTransUniTransferModel.originalOrderId) &&
          Objects.equals(this.outBizNo, alipayFundTransUniTransferModel.outBizNo) &&
          Objects.equals(this.passbackParams, alipayFundTransUniTransferModel.passbackParams) &&
          Objects.equals(this.payeeInfo, alipayFundTransUniTransferModel.payeeInfo) &&
          Objects.equals(this.payerInfo, alipayFundTransUniTransferModel.payerInfo) &&
          Objects.equals(this.productCode, alipayFundTransUniTransferModel.productCode) &&
          Objects.equals(this.remark, alipayFundTransUniTransferModel.remark) &&
          Objects.equals(this.signData, alipayFundTransUniTransferModel.signData) &&
          Objects.equals(this.transAmount, alipayFundTransUniTransferModel.transAmount)&&
          Objects.equals(this.additionalProperties, alipayFundTransUniTransferModel.additionalProperties);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(bizScene, businessParams, mutipleCurrencyDetail, orderTitle, originalOrderId, outBizNo, passbackParams, payeeInfo, payerInfo, productCode, remark, signData, transAmount, additionalProperties);
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      sb.append("class AlipayFundTransUniTransferModel {\n");
      sb.append("    bizScene: ").append(toIndentedString(bizScene)).append("\n");
      sb.append("    businessParams: ").append(toIndentedString(businessParams)).append("\n");
      sb.append("    mutipleCurrencyDetail: ").append(toIndentedString(mutipleCurrencyDetail)).append("\n");
      sb.append("    orderTitle: ").append(toIndentedString(orderTitle)).append("\n");
      sb.append("    originalOrderId: ").append(toIndentedString(originalOrderId)).append("\n");
      sb.append("    outBizNo: ").append(toIndentedString(outBizNo)).append("\n");
      sb.append("    passbackParams: ").append(toIndentedString(passbackParams)).append("\n");
      sb.append("    payeeInfo: ").append(toIndentedString(payeeInfo)).append("\n");
      sb.append("    payerInfo: ").append(toIndentedString(payerInfo)).append("\n");
      sb.append("    productCode: ").append(toIndentedString(productCode)).append("\n");
      sb.append("    remark: ").append(toIndentedString(remark)).append("\n");
      sb.append("    signData: ").append(toIndentedString(signData)).append("\n");
      sb.append("    transAmount: ").append(toIndentedString(transAmount)).append("\n");
      sb.append("    additionalProperties: ").append(toIndentedString(additionalProperties)).append("\n");
      sb.append("}");
      return sb.toString();
    }
  
    /**
     * Convert the given object to string with each line indented by 4 spaces
     * (except the first line).
     */
    private String toIndentedString(Object o) {
      if (o == null) {
        return "null";
      }
      return o.toString().replace("\n", "\n    ");
    }
  
  
    public static HashSet<String> openapiFields;
    public static HashSet<String> openapiRequiredFields;
  
    static {
      // a set of all properties/fields (JSON key names)
      openapiFields = new HashSet<String>();
      openapiFields.add("biz_scene");
      openapiFields.add("business_params");
      openapiFields.add("mutiple_currency_detail");
      openapiFields.add("order_title");
      openapiFields.add("original_order_id");
      openapiFields.add("out_biz_no");
      openapiFields.add("passback_params");
      openapiFields.add("payee_info");
      openapiFields.add("payer_info");
      openapiFields.add("product_code");
      openapiFields.add("remark");
      openapiFields.add("sign_data");
      openapiFields.add("trans_amount");
  
      // a set of required properties/fields (JSON key names)
      openapiRequiredFields = new HashSet<String>();
    }
  
   /**
    * Validates the JSON Object and throws an exception if issues found
    *
    * @param jsonObj JSON Object
    * @throws IOException if the JSON Object is invalid with respect to AlipayFundTransUniTransferModel
    */
    public static void validateJsonObject(JsonObject jsonObj) throws IOException {
        if (jsonObj == null) {
          if (AlipayFundTransUniTransferModel.openapiRequiredFields.isEmpty()) {
            return;
          } else { // has required fields
            throw new IllegalArgumentException(String.format("The required field(s) %s in AlipayFundTransUniTransferModel is not found in the empty JSON string", AlipayFundTransUniTransferModel.openapiRequiredFields.toString()));
          }
        }
        if (jsonObj.get("biz_scene") != null && !jsonObj.get("biz_scene").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `biz_scene` to be a primitive type in the JSON string but got `%s`", jsonObj.get("biz_scene").toString()));
        }
        if (jsonObj.get("business_params") != null && !jsonObj.get("business_params").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `business_params` to be a primitive type in the JSON string but got `%s`", jsonObj.get("business_params").toString()));
        }
        // validate the optional field `mutiple_currency_detail`
        if (jsonObj.getAsJsonObject("mutiple_currency_detail") != null) {
          MutipleCurrencyDetail.validateJsonObject(jsonObj.getAsJsonObject("mutiple_currency_detail"));
        }
        if (jsonObj.get("order_title") != null && !jsonObj.get("order_title").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `order_title` to be a primitive type in the JSON string but got `%s`", jsonObj.get("order_title").toString()));
        }
        if (jsonObj.get("original_order_id") != null && !jsonObj.get("original_order_id").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `original_order_id` to be a primitive type in the JSON string but got `%s`", jsonObj.get("original_order_id").toString()));
        }
        if (jsonObj.get("out_biz_no") != null && !jsonObj.get("out_biz_no").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `out_biz_no` to be a primitive type in the JSON string but got `%s`", jsonObj.get("out_biz_no").toString()));
        }
        if (jsonObj.get("passback_params") != null && !jsonObj.get("passback_params").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `passback_params` to be a primitive type in the JSON string but got `%s`", jsonObj.get("passback_params").toString()));
        }
        // validate the optional field `payee_info`
        if (jsonObj.getAsJsonObject("payee_info") != null) {
          Participant.validateJsonObject(jsonObj.getAsJsonObject("payee_info"));
        }
        // validate the optional field `payer_info`
        if (jsonObj.getAsJsonObject("payer_info") != null) {
          Participant.validateJsonObject(jsonObj.getAsJsonObject("payer_info"));
        }
        if (jsonObj.get("product_code") != null && !jsonObj.get("product_code").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `product_code` to be a primitive type in the JSON string but got `%s`", jsonObj.get("product_code").toString()));
        }
        if (jsonObj.get("remark") != null && !jsonObj.get("remark").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `remark` to be a primitive type in the JSON string but got `%s`", jsonObj.get("remark").toString()));
        }
        // validate the optional field `sign_data`
        if (jsonObj.getAsJsonObject("sign_data") != null) {
          SignData.validateJsonObject(jsonObj.getAsJsonObject("sign_data"));
        }
        if (jsonObj.get("trans_amount") != null && !jsonObj.get("trans_amount").isJsonPrimitive()) {
          throw new IllegalArgumentException(String.format("Expected the field `trans_amount` to be a primitive type in the JSON string but got `%s`", jsonObj.get("trans_amount").toString()));
        }
    }
  
    public static class CustomTypeAdapterFactory implements TypeAdapterFactory {
      @SuppressWarnings("unchecked")
      @Override
      public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
         if (!AlipayFundTransUniTransferModel.class.isAssignableFrom(type.getRawType())) {
           return null; // this class only serializes 'AlipayFundTransUniTransferModel' and its subtypes
         }
         final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
         final TypeAdapter<AlipayFundTransUniTransferModel> thisAdapter
                          = gson.getDelegateAdapter(this, TypeToken.get(AlipayFundTransUniTransferModel.class));
  
         return (TypeAdapter<T>) new TypeAdapter<AlipayFundTransUniTransferModel>() {
             @Override
             public void write(JsonWriter out, AlipayFundTransUniTransferModel value) throws IOException {
               JsonObject obj = thisAdapter.toJsonTree(value).getAsJsonObject();
               obj.remove("additionalProperties");
               // serialize additonal properties
               if (value.getAdditionalProperties() != null) {
                 for (Map.Entry<String, Object> entry : value.getAdditionalProperties().entrySet()) {
                   if (entry.getValue() instanceof String)
                     obj.addProperty(entry.getKey(), (String) entry.getValue());
                   else if (entry.getValue() instanceof Number)
                     obj.addProperty(entry.getKey(), (Number) entry.getValue());
                   else if (entry.getValue() instanceof Boolean)
                     obj.addProperty(entry.getKey(), (Boolean) entry.getValue());
                   else if (entry.getValue() instanceof Character)
                     obj.addProperty(entry.getKey(), (Character) entry.getValue());
                   else {
                     obj.add(entry.getKey(), gson.toJsonTree(entry.getValue()).getAsJsonObject());
                   }
                 }
               }
               elementAdapter.write(out, obj);
             }
  
             @Override
             public AlipayFundTransUniTransferModel read(JsonReader in) throws IOException {
               JsonObject jsonObj = elementAdapter.read(in).getAsJsonObject();
               validateJsonObject(jsonObj);
               // store additional fields in the deserialized instance
               AlipayFundTransUniTransferModel instance = thisAdapter.fromJsonTree(jsonObj);
               for (Map.Entry<String, JsonElement> entry : jsonObj.entrySet()) {
                 if (!openapiFields.contains(entry.getKey())) {
                   if (entry.getValue().isJsonPrimitive()) { // primitive type
                     if (entry.getValue().getAsJsonPrimitive().isString())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsString());
                     else if (entry.getValue().getAsJsonPrimitive().isNumber())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsNumber());
                     else if (entry.getValue().getAsJsonPrimitive().isBoolean())
                       instance.putAdditionalProperty(entry.getKey(), entry.getValue().getAsBoolean());
                     else
                       throw new IllegalArgumentException(String.format("The field `%s` has unknown primitive type. Value: %s", entry.getKey(), entry.getValue().toString()));
                   } else { // non-primitive type
                     instance.putAdditionalProperty(entry.getKey(), gson.fromJson(entry.getValue(), HashMap.class));
                   }
                 }
               }
               return instance;
             }
  
         }.nullSafe();
      }
    }
  
   /**
    * Create an instance of AlipayFundTransUniTransferModel given an JSON string
    *
    * @param jsonString JSON string
    * @return An instance of AlipayFundTransUniTransferModel
    * @throws IOException if the JSON string is invalid with respect to AlipayFundTransUniTransferModel
    */
    public static AlipayFundTransUniTransferModel fromJson(String jsonString) throws IOException {
      return JSON.getGson().fromJson(jsonString, AlipayFundTransUniTransferModel.class);
    }
  
   /**
    * Convert an instance of AlipayFundTransUniTransferModel to an JSON string
    *
    * @return JSON string
    */
    public String toJson() {
      return JSON.getGson().toJson(this);
    }
  }
  
  